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| Phone | Motorola Moto z4 | T-Mobile REVVL 4 | LG Tribute HD | Samsung Galaxy Ring / Prevail 2 | Motorola Defy (2010) | 
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) | 
| Global Availability | Released | Released | Released | Released | Released | 
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | 6.4" diag. 19.5 : 9 | 6.2" diag. 19 : 9 | 5" diag. 16 : 9 | 4" diag. 5 : 3 | 3.6" diag. 16 : 9 | 
| Display Resolution & Type | 1080 x 2340 pixels (~403 ppi) AMOLED | 720 x 1520 pixels (~270 ppi) LCD (TFT/TFD) | 720 x 1280 pixels (~294 ppi) LCD (TFT/TFD) | 480 x 800 pixels (~233 ppi) LCD (TFT/TFD) | 480 x 854 pixels (~272 ppi) LCD (TFT/TFD) | 
| Display Refresh | 60 Hz | 60 Hz | 60 Hz | 60 Hz | 60 Hz | 
| Battery | 3,600 mAh | 3,500 mAh | 2,100 mAh | 1,750 mAh | 1,540 mAh | 
| Processor | 2 GHz Qualcomm Snapdragon 675 | 2 GHz MediaTek Helio A22 (MT6761) | 1.3 GHz Qualcomm Snapdragon 212 (MSM8909) | 1.4 GHz Qualcomm Snapdragon S2 MSM8655 | 800 MHz TI OMAP3610 | 
| RAM | 4 GB | 2 GB | 1.5 GB | 1 GB | ? | 
| Storage | 128 GB | 32 GB | 16 GB | 4 GB | ? raw hardware | 
| Main Camera | 48 megapixel | 13 megapixel | 8 megapixel | 5 megapixel | 5 megapixel | 
| Wide Camera | - | - | - | - | - | 
| Tele Camera | - | - | - | - | - | 
| Video Capture | 4K UHD | 1080p HD | 720p HD | 720p HD | ? | 
| Front Camera | 25 megapixel | 5 megapixel | 5 megapixel | 1 megapixel | - | 
| Weight | 6 oz (170g) | 5.59 oz (158g) | 4.41 oz (125g) | 3.4 oz (96g) | 4.16 oz (118g) | 
| Dimensions | 6.22" x 2.96" x 0.29" (158 x 75 x 7.4 mm) | 6.26" x 2.99" x 0.32" (159 x 76 x 8.1 mm) | 5.7" x 2.81" x 0.27" (145 x 71 x 6.9 mm) | 4.83" x 2.48" x 0.47" (123 x 63 x 11.9 mm) | 4.21" x 2.32" x 0.53" (107 x 59 x 13.4 mm) | 
| Platform / OS | Android | Android | Android | Android | Android | 
| Network Bands | 4G LTE: 2, 3, 4, 5, 7, 12, 13, 20, 25, 26, 28, 29, 30, 38, 41, 66, 71 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 | 4G LTE: 2, 4, 5, 7, 12, 25, 26, 41, 66, 71 WCDMA: 2, 4, 5 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 | 4G LTE: 2, 4, 5, 12, 25, 26, 41 WCDMA: 2, 4, 5 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 | CDMA: 800, 850, 1900 | WCDMA: 1, 4, 5 GSM: 850, 900, 1800, 1900 | 
| Data Technology | LTE (Cat 12) | LTE (Cat 6) | LTE (Cat 4) | EVDO rA | HSPA 7.2 | 
| Features | |||||
| Fingerprint Reader | Yes | Yes stand-alone | - | - | - | 
| Flashlight | Yes | Yes | Yes | - | - | 
| Ruggedized | - | - | - | - | Yes | 
| Water-Resistant | Yes | - | - | - | - | 
| Accessibility | |||||
| Hearing Aid Compatible | Yes | Yes | Yes | Yes | - | 
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes | Yes | 
| Connectivity | |||||
| Bluetooth | Yes Classic Audio | Yes Classic Audio | Yes Classic Audio | Yes Classic Audio | Yes Classic Audio | 
| NFC | Yes | - | - | - | - | 
| USB | Yes USB Type C | Yes USB Type C | Yes Micro-USB | Yes | Yes Micro-USB | 
| Wi-Fi | Yes 5 (802.11 a,ac,b,g,n) | Yes 5 (802.11 a,ac,b,g,n) | Yes 4 (802.11 b,g,n) | Yes 4 (802.11 a,b,g,n) | Yes 4 (802.11 b,g,n) | 
| Input | |||||
| Side Keys | Yes | Yes | Yes | Yes | Yes | 
| Touch Screen | Yes | Yes | Yes | Yes | Yes | 
| Memory | |||||
| Memory Card Slot | Yes | Yes | Yes | Yes | Yes | 
| Music | |||||
| FM Radio | Yes | Yes | - | - | Yes | 
| Headphone Jack (3.5mm) | Yes | Yes | Yes | Yes | Yes | 
| Photo & Video | |||||
| DLNA | - | - | - | Yes | Yes | 
| Power | |||||
| Fast Charging | Yes | - | - | - | - | 
| Voice | |||||
| HD Voice | Yes | Yes | Yes | - | - | 
| Speaker Phone | Yes | Yes | Yes | Yes | Yes | 
| Motorola Moto z4 | T-Mobile REVVL 4 | LG Tribute HD | Samsung Galaxy Ring / Prevail 2 | Motorola Defy (2010) | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
|  |  |  |  |  | |
| Phone | Motorola Moto z4 | T-Mobile REVVL 4 | LG Tribute HD | Samsung Galaxy Ring / Prevail 2 | Motorola Defy (2010) | 
 







